Re: [LAU] Connie, an organ template for JACK

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To: <linux-audio-user@...>
Date: Sunday, May 31, 2009 - 1:29 pm

Am Sonntag, 31. Mai 2009 schrieb Nick Copeland:

I'm just working on this problem. It clicks because I switch the signals on/off
without every smoothing at random moments of the sine wave. I've changed the
timing to switch at zero crossings and the clicks go away.

> Also, as with all frequency division circuits it was not an

I've got the schematics from http://www.reinout.nl/?page_id=80 and there I
found that the (early?) Vox had twelve individual LC oscillator boards for the
chromatic notes - the freq can be modulated via the vibrato signal. Each board
has six astable multivibrators to divide down six octaves. These seven octaves
are routed to the keys. So you're able to tune the "connie" ET or even
Werckmeister - that's cool.

My next version will have a modified freq generation. The mixture is created
from a buffer holding one cycle and sampled at different frequencies. So the
harmonics are in tune with the 8' stop. This reduces the clicking and also
reduces the CPU load quite a lot - so Connie will be more eeepc friendly.

> The vibrato is perhaps a bit slow too and although the original be modified

The next Connie version will have an drawbar for an adjustable vibrato.

> Perhaps just out of interest more than

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Messages in current thread:
[LAU] Connie, an organ template for JACK, Martin Homuth-Rosemann, (Sat May 30, 9:30 am)
Re: [LAU] Connie, an organ template for JACK, Martin Homuth-Rosemann, (Sat Jul 31, 5:48 pm)
Re: [LAU] Connie, an organ template for JACK, James Morris, (Sat Jul 31, 10:41 pm)
Re: [LAU] Connie, an organ template for JACK, Sampo Savolainen, (Sun Aug 1, 5:27 pm)
Re: [LAU] Connie, an organ template for JACK, Martin Homuth-Rosemann, (Sun Aug 1, 6:17 am)
Re: [LAU] Connie, an organ template for JACK, Reuben Martin, (Sun May 31, 5:21 am)
Re: [LAU] Connie, an organ template for JACK, Nick Copeland, (Sun May 31, 11:10 am)
Re: [LAU] Connie, an organ template for JACK, Martin Homuth-Rosemann, (Sun May 31, 1:29 pm)
Re: [LAU] Connie, an organ template for JACK, Fons Adriaensen, (Sun May 31, 5:21 pm)
[LAU] Connie, an organ template for JACK, Martin Homuth-Rosemann, (Sun Jun 7, 10:30 am)
Re: [LAU] Connie, an organ template for JACK, Emanuel Rumpf, (Sun Jun 7, 12:58 pm)
Re: [LAU] Connie, an organ template for JACK, Martin Homuth-Rosemann, (Sun Jun 7, 8:24 pm)
Re: [LAU] Connie, an organ template for JACK, Emanuel Rumpf, (Sun Jun 7, 9:28 pm)
Re: [LAU] Connie, an organ template for JACK, Martin Homuth-Rosemann, (Wed Jun 10, 9:13 pm)
Re: [LAU] Connie, an organ template for JACK, Fons Adriaensen, (Wed Jun 10, 9:45 pm)
[LAU] Connie, an organ template for JACK, Martin Homuth-Rosemann, (Sun Jun 14, 9:14 pm)
Re: [LAU] Connie, an organ template for JACK, Fons Adriaensen, (Sun Jun 7, 2:38 pm)
Re: [LAU] Connie, an organ template for JACK, Nick Copeland, (Mon Jun 1, 9:01 am)
[LAU] Connie, an organ template for JACK, Martin Homuth-Rosemann, (Sun May 31, 4:19 pm)
Re: [LAU] Connie, an organ template for JACK, Norval Watson, (Sat May 30, 11:04 am)
Re: [LAU] Connie, an organ template for JACK, Jan Weil, (Sat May 30, 11:12 am)
Re: [LAU] Connie, an organ template for JACK, Norval Watson, (Sat May 30, 12:46 pm)